var app = getApp();
Component({
  properties: {
    //标题
    titleName: {
      type: String,
      value: ''
    },
    //返回按钮颜色
    color: {
      type: String,
      value: 1
    }
  },
  methods: {
    rollback: function() {
      this.triggerEvent('rollback');
    }
  },

})